{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{1}{ccccccc}}
\hline\hline
                    &\multicolumn{7}{c}{Pre 1946}                                                              \\
                    &        mean&          sd&         min&         p25&         p50&         p75&         max\\
\hline
US Revenue/GDP      &        17.6&         1.1&        13.9&        16.9&        17.6&        18.4&        20.2\\
US Spending/GDP     &        17.5&         2.4&        13.0&        15.9&        17.4&        18.4&        30.1\\
US Surplus/GDP      &         0.1&         2.6&       -12.4&        -1.0&         0.3&         1.4&         4.8\\
\hline
Observations        &          74&            &            &            &            &            &            \\
\hline\hline
\end{tabular}
}
